Gabrielle Giffords Returns to Congress

U.S. Representative Gabrielle Giffords (R-TX) (C) waves to colleagues on the floor of the House of Representatives, moments after the House voted to raise the U.S. borrowing limit, in Washington in this still image taken from video August 1, 2011. Giffords returned to the House floor on Monday for the first time since she was shot in the head in January, receiving a thunderous ovation from Democrats and Republicans alike. Giffords, a Democrat who has not been to Washington since the shooting at a political event in her home state of Arizona, returned to vote in favor of a bill to raise the U.S. debt ceiling and avoid default. Photo: Reuters

U.S. Representative Gabrielle Giffords (R-TX) (C) is embraced by colleagues on the floor of the House of Representatives, moments after the House voted to raise the U.S. borrowing limit, in Washington in this still image taken from video August 1, 2011. Giffords returned to the House floor on Monday for the first time since she was shot in the head in January, receiving a thunderous ovation from Democrats and Republicans alike. Giffords, a Democrat who has not been to Washington since the shooting at a political event in her home state of Arizona, returned to vote in favor of a bill to raise the U.S. debt ceiling and avoid default. Photo: Reuters

A white Fiat van rammed into pedestrians outside enjoying a late afternoon stroll on Las Ramblas in Barcelona on Thursday killing at least 13 people and leaving hundreds injured. The Islamic State group claimed responsibility for the attack.